Man, that's a steep angle of attack - I'll bet it has to be to change the velocity of flow above it
The best question as far as overall performance of it is... Does it actually work? If it doesn't do a decent job - and decreases mileage... Sell it on fleaBay
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Time is the best teacher. Unfortunately it kills all its students.
Bike Miles (Begin Aug. 20 - '07): ~433.2 miles
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